CVE-2023-24955

HIGH7.2

CISA KEV

Published 2023-05-09 · Updated 2026-06-17 · Source secure@microsoft.com

Summary

CVE-2023-24955 is a high-severity (CVSS 7.2) vulnerability in Microsoft SharePoint Server. CISA added it to the Known Exploited Vulnerabilities catalog on March 26, 2024, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by April 16, 2024. CISA also lists it as known to be used in ransomware campaigns, so it should be prioritised accordingly. Microsoft has 390 vulnerabilities in the KEV catalog, 117 of them linked to ransomware.

All 390 known-exploited Microsoft vulnerabilities →

Description

Microsoft SharePoint Server Remote Code Execution Vulnerability

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CWE-94CWE-94

CISA Known-Exploited Vulnerability

Product: Microsoft — SharePoint Server

Name: Microsoft SharePoint Server Code Injection Vulnerability

Date added: 2024-03-26 · Due: 2024-04-16

USED IN RANSOMWARE

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

References

View on NVD

More exploited Microsoft vulnerabilities

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added 2026-08-18

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